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Guide · 14 min read

The website launch checklist: everything that must be right before you go live

A comprehensive pre-launch checklist covering content, functionality, speed, mobile, SEO, security, and legal essentials, so your new website goes live clean instead of quietly broken.

By Alix Villedrouin · May 8, 2026

Launch day is not the finish line, it is a gate

Building a website feels like the hard part, so it is tempting to rush the moment it looks done and push it live. That rush is where avoidable problems slip through: a contact form that silently fails, a phone number that is one digit wrong, pages that break on a phone, a site invisible to Google because a single setting was left switched off. Any one of these can quietly cost you business for weeks before anyone notices.

Launch day is a gate, not a celebration. Everything should be checked, on purpose, before you open it. This checklist covers what actually needs to be right, grouped so you can work through it section by section. Use it whether you are building the site yourself, or checking the work of whoever built it for you, because a good web partner should be able to confirm every item here without hesitation.

Content and copy

The words and images are what customers actually read, and mistakes here are the most visible and the most embarrassing.

Functionality

A site that looks perfect but does not work is worse than useless, because it looks trustworthy while failing.

Speed and performance

A slow site loses visitors before they ever see how good it is, and it ranks lower too.

Mobile experience

Most of your visitors will be on a phone, so the mobile version is not an afterthought; it is the main event.

Search engine readiness

A beautiful site that Google cannot find or understand will not bring you traffic. These checks make sure the site is set up to be found.

Security and technical foundation

The parts nobody sees are the parts that protect you.

A few pages and settings keep you on the right side of the rules and build trust.

The final walkthrough

When the whole checklist passes, do one last thing: go through the entire site as if you were a brand-new customer who has never seen it. Land on the home page, find a service, read about it, and try to contact the business, all on a phone. This full walkthrough catches the awkward gaps that item-by-item checking can miss, the little moments where a real person would get confused or give up. If that journey feels smooth and obvious, you are ready.

Let us check it before you go live

A second set of expert eyes before launch catches the quiet problems that cost real business, and it is far cheaper than discovering a broken form or an invisible site weeks later. Villex Web will run a free pre-launch review of your new site against every item on this list and give you a clear, honest report of anything that needs fixing before you open the doors, with no obligation. If you have not started building yet and want it done right from the beginning, we would love to talk. Reach out and let us make sure your launch is clean.

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